Extend LargeIconService to fetch missing favicons from a Google server

components/favicon_base/favicon_types.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/favicon_base/favicon_types.h"
 
 #include "components/favicon_base/fallback_icon_style.h"
 
 namespace favicon_base {
 
@@ skipping 15 matching lines @@
     const FaviconRawBitmapResult& other) = default;
 
 FaviconRawBitmapResult::~FaviconRawBitmapResult() {}
 
 // --------------------------------------------------------
 // LargeIconResult
 
 LargeIconResult::LargeIconResult(const FaviconRawBitmapResult& bitmap_in)
     : bitmap(bitmap_in) {}
 
-LargeIconResult::LargeIconResult(FallbackIconStyle* fallback_icon_style_in)
-    : fallback_icon_style(fallback_icon_style_in) {}
+LargeIconResult::LargeIconResult(
+    std::unique_ptr<FallbackIconStyle> fallback_icon_style_in)
+    : fallback_icon_style(std::move(fallback_icon_style_in)) {}
 
 LargeIconResult::~LargeIconResult() {}
 
 }  // namespace favicon_base